2-Bromopyrazolo[1,5-a]pyrimidine

Name: 2-Bromopyrazolo[1,5-a]pyrimidine
Brand: ChemScene
Availability: InStock
Rating: 5 (1 reviews)

CAS No. 1368069-25-3
Cat. No. CS-0654654
Purity≥95%
MDL No.MFCD22059329

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

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2-Bromopyrazolo[1,5-a]pyrimidine|CS-0654654

Structure of 1368069-25-3

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Description

2-Bromopyrazolo[1,5-a]pyrimidine serves as a pivotal heterocyclic scaffold for constructing bioactive molecules. This brominated pyrazolopyrimidine integrates readily into cross-coupling reactions, enabling efficient access to functionalized derivatives. The halogenated site facilitates palladium-catalyzed transformations, while the fused ring system imparts stability and defined electronic properties suitable for medicinal chemistry applications.

Application

2-Bromopyrazolo[1,5-a]pyrimidine serves as a versatile building block in medicinal chemistry, enabling efficient late-stage functionalization via palladium-catalyzed cross-coupling reactions. Its bromine substituent facilitates reliable C–C and C–heteroatom bond formation under standard conditions, while the fused pyrazolo[1,5-a]pyrimidine core provides structural rigidity and favorable electronic properties for target-oriented synthesis. The compound exhibits excellent bench stability and compatibility with diverse functional groups, making it well-suited for modular scaffold development in drug discovery programs.

General Information

CAS No. 1368069-25-3
Cat. No. CS-0654654
Purity ≥95%
MDL No. MFCD22059329
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₄BrN₃
Molecular Weight 198.02
Synonym(s) None
SMILES C1=CN2C(=CC(=N2)Br)N=C1

Computational Chemistry Data

TPSA 30.19
LogP 1.4918
H_Acceptors 3
H_Donors 0
Rotatable_Bonds 0

Safety Information

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GHS Pictogram :	GHS No : GHS06
Signal Word : Danger	UN#: 2811
Class : 6.1	Packing Group : Ⅲ
Hazard Statements : H301-H311-H331
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P361-P405-P501

Quality Control

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Other Classifications

Building Blocks Skeleton Aromatic heterocycle compounds Pyrazole compounds

Building Blocks Skeleton Aromatic heterocycle compounds Pyrimidine compounds

Key Words

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2-Bromopyrazolo[1,5-a]pyrimidine

CAS No. 1368069-25-3

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